Home / 31,175.76-46,766.08-10,399.24

Finding the Fourth Proportional to 31,175.76, 46,766.08 and 10,399.24

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Solution

The fourth proportional to 31,175.76, 46,766.08 and 10,399.24 is: 15,599.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,175.76 : 46,766.08 = 10,399.24 : x
  2. Step 2: Convert to fraction form
    31,175.76/46,766.08 = 10,399.24/x
  3. Step 3: Cross multiply
    31,175.76x = 46,766.08 × 10,399.24
  4. Step 4: Simplify right side
    31,175.76x = 486,331,689.78
  5. Step 5: Solve for x
    x = 486,331,689.78/31,175.76
  6. Step 6: Final answer
    x = 15,599.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.